9. 表单输入绑定

使用 v-model 对表单数据自动收集

• text/textarea
• checkbox
• radio
• select

编码

<div id="demo">
<form @submit.prevent="handleSubmit">
	<span>用户名: </span>
	<input type="text" v-model="user.username"><br>
	<span>密码: </span>
	<input type="password" v-model="user.pwd"><br>
	<span>性别: </span>
	<input type="radio" id="female" value="female" v-model="user.sex">
	<label for="female">女</label>
	<input type="radio" id="male" value="male" v-model="user.sex">
	<label for="male">男</label><br>
	<span>爱好: </span>
	<input type="checkbox" id="basket" value="basketball"
	v-model="user.likes">
	<label for="basket">篮球</label>
	<input type="checkbox" id="foot" value="football"
	v-model="user.likes">
	<label for="foot">足球</label>
	<input type="checkbox" id="pingpang" value="pingpang"
	v-model="user.likes">
	<label for="pingpang">乒乓</label><br>
	<span>城市: </span>
	<select v-model="user.cityId">
	<option value="">未选择</option>
	<option v-for="city in allCitys" :value="city.id">
	{{ city.name }}
	</option>
	</select><br>
	<span>介绍: </span>
	<textarea v-model="user.desc" rows="10"></textarea><br><br>
	<input type="submit" value="注册">
</form>
</div>
<script type="text/javascript" src="../js/vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
	el: '#demo',
	data: {
		user: {
		username: '',
		pwd: '',
		sex: 'female',
		likes: [],
		cityId: '',
		desc: '',
		},
		allCitys: [{id: 1, name: 'BJ'}, {id: 2, name: 'SZ'},{id: 4, name:
		'SH'}],
	},
	methods: {
		handleSubmit (event) {
		alert(JSON.stringify(this.user))
		}
	}
})
</script>